The Constitution of Kenya 2010 offers young women key entry points for engagement in political processes through elective and appointive positions in national and county governments. However, their participation appears to be minimal, which in turn creates a gap in ensuring gender equality. Across the globe, socio-economic factors have been reported to influence participation of women in political processes. This study aimed at investigating the effects of socio-economic factors on participation of young women in political processes in Nyamira South Sub County. The study adopted modernization theory and mixed methods research design, with both qualitative and quantitative data collection methods utilized. The target population was 76,392 registered voters drawn from the Sub County. However, a total of 157 study participants were sampled to take part in the study. Data obtained in the study was analyzed using the Statistical Packages for Social Sciences (SPSS) version 25. Descriptive and inferential statistics was employed in analysis of quantitative data while content analysis and theme were used to analyze qualitative data. Pearson's correlation coefficient analysis was conducted to ascertain the statistical influence of financial resources on young women to their political participation. Socio-economic factors which include; age, gender, marital status, employment status, household head and size influences an individual's participation in political processes in the Sub County. A significant positive correlation coefficient (r=.938; p<0.05) existed between financial resources and young women's political participation. This implies that financial resources ultimately influence young women's decision to participate in political processes. The study therefore recommends that more funding opportunities and specific policies on young women's participation in political processes should be implemented. This will promote gender equality by encouraging more women to participate in political processes.